Precalculus Trigonometry Functions

Using the given triangle, what is the Pythagorean Theorem.

Solve for F. Round your answer to the nearest hundredths place.

Mathematical Equivalence

ON

Solve for x. Round your answer to the nearest hundredths place.

Mathematical Equivalence

ON

Write the equation to solve for F.

y=Asin(B(x-C))+D is the standard form. A is the Amplitude B helps you find the period, B=2pi/period C is the phase shift D is the midline (vertical shift) For y=7sin(6(x-8))+9,

• 9

• midline

• 8

• phase shift

• 6

• helps calculate period

• 7

• amplitude

F(x) = Asin[B(x-C)] + D is the standard form. A is the Amplitude B helps you find the period, B=2pi/period C is the phase shift D is the vertical shift Then f(x) = 2Sin(3x + 1) + 4

• 4

• amplitude

• 1

• helps calculate period

• 3

• phase shift

• 2

• vertical shift

Sin is related to ​ (a)   , cos is related to ​ (b)   , and tangent is related to ​ (c)  

• Csc

• sec

• cotangent

For y=7sin(6(x-8))+9, What is the value of A, B , C, and D?

• 6

• C, phase shift

• 8

• A, amplitude

• 7

• D, midline

• 9

• B, helps calculate period

Match the following ratios to the corresponding trig function for the point (-3, 4)

• sinθ

• -3/5

• tanθ

• 4/5

• cosθ

• -4/3

sin x = _____

• 1/csc x

• 1/sec x

• 1/cos x

• 1/cot x